mcs/class/corlib/Test/System/EnumTest.cs

   1 // EnumTest.cs - NUnit Test Cases for the System.Enum class
   2 //
   3 // David Brandt (bucky@keystreams.com)
   4 // Gert Driesen (drieseng@users.sourceforge.net)
   5 //
   6 // (C) Ximian, Inc.  http://www.ximian.com
   7 //
   8
   9 using System;
  10 using System.IO;
  11 using System.Reflection;
  12
  13 using NUnit.Framework;
  14
  15 namespace MonoTests.System
  16 {
  17         [TestFixture]
  18         public class EnumTest
  19         {
  20                 [Test]
  21                 public void TestCompareTo ()
  22                 {
  23                         Enum e1 = new TestingEnum ();
  24                         Enum e2 = new TestingEnum ();
  25                         Enum e3 = new TestingEnum2 ();
  26
  27                         Assert.AreEqual (0, e1.CompareTo (e1), "#A1");
  28                         Assert.AreEqual (0, e1.CompareTo (e2), "#A2");
  29
  30                         TestingEnum x = TestingEnum.This;
  31                         TestingEnum y = TestingEnum.Is;
  32                         Assert.AreEqual (0, x.CompareTo (x), "#B1");
  33                         Assert.AreEqual (-1, x.CompareTo (y), "#B2");
  34                         Assert.AreEqual (1, y.CompareTo (x), "#B3");
  35
  36                         try {
  37                                 e1.CompareTo (e3);
  38                                 Assert.Fail ("#C1");
  39                         } catch (ArgumentException ex) {
  40                                 // Object must be the same type as the enum.
  41                                 // The type passed in was MonoTests.System.EnumTest+TestingEnum2;
  42                                 // the enum type was MonoTests.System.EnumTest+TestingEnum
  43                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#A2");
  44                                 Assert.IsNull (ex.InnerException, "#A3");
  45                                 Assert.IsNotNull (ex.Message, "#A4");
  46                                 Assert.IsTrue (ex.Message.IndexOf (typeof (TestingEnum).FullName) != -1, "#A5");
  47                                 Assert.IsTrue (ex.Message.IndexOf (typeof (TestingEnum2).FullName) != -1, "#A6");
  48                                 Assert.IsNull (ex.ParamName, "#A7");
  49                         }
  50
  51                         try {
  52                                 ((Enum) e1).CompareTo ((Enum) e3);
  53                                 Assert.Fail ("#D1");
  54                         } catch (ArgumentException ex) {
  55                                 // Object must be the same type as the enum.
  56                                 // The type passed in was MonoTests.System.EnumTest+TestingEnum2;
  57                                 // the enum type was MonoTests.System.EnumTest+TestingEnum
  58                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#D2");
  59                                 Assert.IsNull (ex.InnerException, "#D3");
  60                                 Assert.IsNotNull (ex.Message, "#D4");
  61                                 Assert.IsTrue (ex.Message.IndexOf (typeof (TestingEnum).FullName) != -1, "#D5");
  62                                 Assert.IsTrue (ex.Message.IndexOf (typeof (TestingEnum2).FullName) != -1, "#D6");
  63                                 Assert.IsNull (ex.ParamName, "#D7");
  64                         }
  65                 }
  66
  67                 [Test]
  68                 public void TestEquals ()
  69                 {
  70                         Enum e1 = new TestingEnum ();
  71                         Enum e2 = new TestingEnum ();
  72                         Enum e3 = new TestingEnum2 ();
  73
  74                         Assert.IsTrue (e1.Equals (e1), "#1");
  75                         Assert.IsTrue (e1.Equals (e2), "#2");
  76                         Assert.IsFalse (e1.Equals (e3), "#3");
  77                         Assert.IsFalse (e1.Equals (null), "#4");
  78                 }
  79
  80                 [Test]
  81                 public void TestFormat_Args ()
  82                 {
  83                         try {
  84                                 TestingEnum x = TestingEnum.Test;
  85                                 Enum.Format (null, x, "G");
  86                                 Assert.Fail ("#A1");
  87                         } catch (ArgumentNullException ex) {
  88                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#A2");
  89                                 Assert.IsNull (ex.InnerException, "#A3");
  90                                 Assert.IsNotNull (ex.Message, "#A4");
  91                                 Assert.IsNotNull (ex.ParamName, "#A5");
  92                                 Assert.AreEqual ("enumType", ex.ParamName, "#A6");
  93                         }
  94
  95                         try {
  96                                 Enum.Format (typeof (TestingEnum), null, "G");
  97                                 Assert.Fail ("#B1");
  98                         } catch (ArgumentNullException ex) {
  99                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#B2");
 100                                 Assert.IsNull (ex.InnerException, "#B3");
 101                                 Assert.IsNotNull (ex.Message, "#B4");
 102                                 Assert.IsNotNull (ex.ParamName, "#B5");
 103                                 Assert.AreEqual ("value", ex.ParamName, "#B6");
 104                         }
 105
 106                         try {
 107                                 TestingEnum x = TestingEnum.Test;
 108                                 Enum.Format (x.GetType (), x, null);
 109                                 Assert.Fail ("#C1");
 110                         } catch (ArgumentNullException ex) {
 111                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#C2");
 112                                 Assert.IsNull (ex.InnerException, "#C3");
 113                                 Assert.IsNotNull (ex.Message, "#C4");
 114                                 Assert.IsNotNull (ex.ParamName, "#C5");
 115                                 Assert.AreEqual ("format", ex.ParamName, "#C6");
 116                         }
 117
 118                         try {
 119                                 TestingEnum x = TestingEnum.Test;
 120                                 Enum.Format (typeof (string), x, "G");
 121                                 Assert.Fail ("#D1");
 122                         } catch (ArgumentException ex) {
 123                                 // Type provided must be an Enum
 124                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#A2");
 125                                 Assert.IsNull (ex.InnerException, "#A3");
 126                                 Assert.IsNotNull (ex.Message, "#A4");
 127                                 Assert.IsNotNull (ex.ParamName, "#A5");
 128                                 Assert.AreEqual ("enumType", ex.ParamName, "#A6");
 129                         }
 130
 131                         try {
 132                                 TestingEnum x = TestingEnum.Test;
 133                                 TestingEnum2 y = TestingEnum2.Test;
 134                                 Enum.Format (y.GetType (), x, "G");
 135                                 Assert.Fail ("#E1");
 136                         } catch (ArgumentException ex) {
 137                                 // Object must be the same type as the enum. The type passed in was
 138                                 // MonoTests.System.EnumTest.TestingEnum2; the enum type was
 139                                 // MonoTests.System.EnumTest.TestingEnum
 140                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#E2");
 141                                 Assert.IsNull (ex.InnerException, "#E3");
 142                                 Assert.IsNotNull (ex.Message, "#E4");
 143                                 Assert.IsTrue (ex.Message.IndexOf (typeof (TestingEnum2).FullName) != -1, "#E5");
 144                                 Assert.IsTrue (ex.Message.IndexOf (typeof (TestingEnum).FullName) != -1, "#E6");
 145                                 Assert.IsNull (ex.ParamName, "#A7");
 146                         }
 147
 148                         try {
 149                                 String bad = "huh?";
 150                                 TestingEnum x = TestingEnum.Test;
 151                                 Enum.Format (x.GetType (), bad, "G");
 152                                 Assert.Fail ("#F1");
 153                         } catch (ArgumentException ex) {
 154                                 // Enum underlying type and the object must be the same type or
 155                                 // object. Type passed in was String.String; the enum underlying
 156                                 // was System.Int32
 157                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#F2");
 158                                 Assert.IsNull (ex.InnerException, "#F3");
 159                                 Assert.IsNotNull (ex.Message, "#F4");
 160                                 Assert.IsTrue (ex.Message.IndexOf (typeof (string).FullName) != -1, "#F5");
 161                                 Assert.IsTrue (ex.Message.IndexOf (typeof (int).FullName) != -1, "#F6");
 162                                 Assert.IsNull (ex.ParamName, "#F7");
 163                         }
 164
 165                         string [] codes = {"a", "b", "c", "ad", "e", "af", "ag", "h",
 166                                   "i", "j", "k", "l", "m", "n", "o", "p",
 167                                   "q", "r", "s", "t", "u", "v", "w", "ax",
 168                                   "y", "z"};
 169                         foreach (string code in codes) {
 170                                 try {
 171                                         TestingEnum x = TestingEnum.Test;
 172                                         Enum.Format (x.GetType (), x, code);
 173                                         Assert.Fail ("#G1:" + code);
 174                                 } catch (FormatException ex) {
 175                                         // Format String can be only "G","g","X","x","F","f","D" or "d"
 176                                         Assert.AreEqual (typeof (FormatException), ex.GetType (), "#G2");
 177                                         Assert.IsNull (ex.InnerException, "#G3");
 178                                         Assert.IsNotNull (ex.Message, "#G4");
 179                                 }
 180                         }
 181
 182                         TestingEnum test = TestingEnum.Test;
 183                         Assert.AreEqual ("3", Enum.Format (test.GetType (), test, "d"), "#H1");
 184                         Assert.AreEqual ("18446744073709551615", Enum.Format (typeof (TestingEnum3), TestingEnum3.Test, "d"), "#H2");
 185                         Assert.AreEqual ("Test", Enum.Format (test.GetType (), test, "g"), "#H3");
 186                         Assert.AreEqual ("00000003", Enum.Format (test.GetType (), test, "x"), "#H4");
 187                         Assert.AreEqual ("Test", Enum.Format (test.GetType (), test, "f"), "#H5");
 188                 }
 189
 190                 [Test]
 191                 public void TestFormat_FormatSpecifier ()
 192                 {
 193                         ParameterAttributes pa =
 194                                 ParameterAttributes.In | ParameterAttributes.HasDefault;
 195                         const string fFormatOutput = "In, HasDefault";
 196                         const string xFormatOutput = "00001001";
 197                         string fOutput = Enum.Format (pa.GetType (), pa, "f");
 198                         Assert.AreEqual (fFormatOutput, fOutput, "#A1");
 199                         string xOutput = Enum.Format (pa.GetType (), pa, "x");
 200                         Assert.AreEqual (xFormatOutput, xOutput, "#A2");
 201
 202                         Assert.AreEqual ("00", TestingEnum4.This.ToString ("x"), "#B1");
 203                         Assert.AreEqual ("00", TestingEnum4.This.ToString ("X"), "#B2");
 204                         Assert.AreEqual ("ff", TestingEnum4.Test.ToString ("x"), "#B3");
 205                         Assert.AreEqual ("FF", TestingEnum4.Test.ToString ("X"), "#B4");
 206
 207                         Assert.AreEqual ("0000", TestingEnum5.This.ToString ("x"), "#C1");
 208                         Assert.AreEqual ("0000", TestingEnum5.This.ToString ("X"), "#C2");
 209                         Assert.AreEqual ("7fff", TestingEnum5.Test.ToString ("x"), "#C3");
 210                         Assert.AreEqual ("7FFF", TestingEnum5.Test.ToString ("X"), "#C4");
 211
 212                         Assert.AreEqual ("00000000", TestingEnum6.This.ToString ("x"), "#D1");
 213                         Assert.AreEqual ("00000000", TestingEnum6.This.ToString ("X"), "#D2");
 214                         Assert.AreEqual ("7fffffff", TestingEnum6.Test.ToString ("x"), "#D3");
 215                         Assert.AreEqual ("7FFFFFFF", TestingEnum6.Test.ToString ("X"), "#D4");
 216
 217                         Assert.AreEqual ("0000000000000000", TestingEnum3.This.ToString ("x"), "#E1");
 218                         Assert.AreEqual ("0000000000000000", TestingEnum3.This.ToString ("X"), "#E2");
 219                         Assert.AreEqual ("ffffffffffffffff", TestingEnum3.Test.ToString ("x"), "#E3");
 220                         Assert.AreEqual ("FFFFFFFFFFFFFFFF", TestingEnum3.Test.ToString ("X"), "#E4");
 221                 }
 222
 223                 [Test]
 224                 public void TestGetHashCode ()
 225                 {
 226                         Enum e1 = new TestingEnum ();
 227                         Enum e2 = new TestingEnum2 ();
 228
 229                         Assert.AreEqual (e1.GetHashCode (), e1.GetHashCode ());
 230                 }
 231
 232                 [Test]
 233                 public void GetName ()
 234                 {
 235                         try {
 236                                 TestingEnum x = TestingEnum.Test;
 237                                 Enum.GetName (null, x);
 238                                 Assert.Fail ("#A1");
 239                         } catch (ArgumentNullException ex) {
 240                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#A2");
 241                                 Assert.IsNull (ex.InnerException, "#A3");
 242                                 Assert.IsNotNull (ex.Message, "#A4");
 243                                 Assert.IsNotNull (ex.ParamName, "#A5");
 244                                 Assert.AreEqual ("enumType", ex.ParamName, "#A6");
 245                         }
 246
 247                         try {
 248                                 TestingEnum x = TestingEnum.Test;
 249                                 Enum.GetName (x.GetType (), null);
 250                                 Assert.Fail ("#B1");
 251                         } catch (ArgumentNullException ex) {
 252                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#B2");
 253                                 Assert.IsNull (ex.InnerException, "#B3");
 254                                 Assert.IsNotNull (ex.Message, "#B4");
 255                                 Assert.IsNotNull (ex.ParamName, "#B5");
 256                                 Assert.AreEqual ("value", ex.ParamName, "#B6");
 257                         }
 258
 259                         try {
 260                                 String bad = "huh?";
 261                                 TestingEnum x = TestingEnum.Test;
 262                                 Enum.GetName (bad.GetType (), x);
 263                                 Assert.Fail ("#C1");
 264                         } catch (ArgumentException ex) {
 265                                 // Type provided must be an Enum
 266                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#C2");
 267                                 Assert.IsNull (ex.InnerException, "#C3");
 268                                 Assert.IsNotNull (ex.Message, "#C4");
 269                                 Assert.IsNotNull (ex.ParamName, "#C5");
 270                                 Assert.AreEqual ("enumType", ex.ParamName, "#C6");
 271                         }
 272
 273                         try {
 274                                 String bad = "huh?";
 275                                 TestingEnum x = TestingEnum.Test;
 276                                 Enum.GetName (x.GetType (), bad);
 277                                 Assert.Fail ("#D1");
 278                         } catch (ArgumentException ex) {
 279                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#D2");
 280                                 Assert.IsNull (ex.InnerException, "#D3");
 281                                 Assert.IsNotNull (ex.Message, "#D4");
 282                                 Assert.IsNotNull (ex.ParamName, "#D5");
 283                                 Assert.AreEqual ("value", ex.ParamName, "#D6");
 284                         }
 285
 286                         TestingEnum a = TestingEnum.This;
 287                         TestingEnum b = TestingEnum.Is;
 288                         TestingEnum c = TestingEnum.A;
 289                         TestingEnum2 d = TestingEnum2.Test;
 290
 291                         Assert.AreEqual ("This", Enum.GetName (a.GetType (), a), "#E1");
 292                         Assert.AreEqual ("Is", Enum.GetName (b.GetType (), b), "#E2");
 293                         Assert.AreEqual ("A", Enum.GetName (c.GetType (), c), "#E3");
 294                         Assert.AreEqual ("Test", Enum.GetName (c.GetType (), d), "#E4");
 295                 }
 296
 297                 [Test]
 298                 public void TestGetNames ()
 299                 {
 300                         try {
 301                                 Enum.GetNames (null);
 302                                 Assert.Fail ("#A1");
 303                         } catch (ArgumentNullException ex) {
 304                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#A2");
 305                                 Assert.IsNull (ex.InnerException, "#A3");
 306                                 Assert.IsNotNull (ex.Message, "#A4");
 307                                 Assert.IsNotNull (ex.ParamName, "#A5");
 308                                 Assert.AreEqual ("enumType", ex.ParamName, "#A6");
 309                         }
 310
 311                         TestingEnum x = TestingEnum.This;
 312                         string [] match = { "This", "Is", "A", "Test" };
 313                         string [] names = Enum.GetNames (x.GetType ());
 314                         Assert.IsNotNull (names, "#B1");
 315                         Assert.AreEqual (match.Length, names.Length, "#B2");
 316                         for (int i = 0; i < names.Length; i++)
 317                                 Assert.AreEqual (match [i], names [i], "#B3");
 318                 }
 319
 320                 [Test]
 321                 public void TestGetTypeCode ()
 322                 {
 323                         TestingEnum x = TestingEnum.This;
 324                         TestingEnum y = new TestingEnum ();
 325                         Assert.AreEqual (TypeCode.Int32, x.GetTypeCode (), "#1");
 326                         Assert.AreEqual (TypeCode.Int32, y.GetTypeCode (), "#2");
 327                 }
 328
 329                 [Test]
 330                 public void TestGetUnderlyingType ()
 331                 {
 332                         try {
 333                                 Enum.GetUnderlyingType (null);
 334                                 Assert.Fail ("#A1");
 335                         } catch (ArgumentNullException ex) {
 336                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#A2");
 337                                 Assert.IsNull (ex.InnerException, "#A3");
 338                                 Assert.IsNotNull (ex.Message, "#A4");
 339                                 Assert.IsNotNull (ex.ParamName, "#A5");
 340                                 Assert.AreEqual ("enumType", ex.ParamName, "#A6");
 341                         }
 342
 343                         try {
 344                                 String bad = "huh?";
 345                                 Enum.GetUnderlyingType (bad.GetType ());
 346                                 Assert.Fail ("#B1");
 347                         } catch (ArgumentException ex) {
 348                                 // Type provided must be an Enum
 349                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#B2");
 350                                 Assert.IsNull (ex.InnerException, "#B3");
 351                                 Assert.IsNotNull (ex.Message, "#B4");
 352                                 Assert.IsNotNull (ex.ParamName, "#B5");
 353                                 Assert.AreEqual ("enumType", ex.ParamName, "#B6");
 354                         }
 355
 356                         short sh = 5;
 357                         int i = 5;
 358                         Enum t1 = new TestingEnum ();
 359                         Enum t2 = new TestShortEnum ();
 360                         Assert.AreEqual (i.GetType (), Enum.GetUnderlyingType (t1.GetType ()), "#C1");
 361                         Assert.AreEqual (sh.GetType (), Enum.GetUnderlyingType (t2.GetType ()), "#C2");
 362                 }
 363
 364                 [Test]
 365                 public void TestGetValues ()
 366                 {
 367                         try {
 368                                 Enum.GetValues (null);
 369                                 Assert.Fail ("#A1");
 370                         } catch (ArgumentNullException ex) {
 371                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#A2");
 372                                 Assert.IsNull (ex.InnerException, "#A3");
 373                                 Assert.IsNotNull (ex.Message, "#A4");
 374                                 Assert.IsNotNull (ex.ParamName, "#A5");
 375                                 Assert.AreEqual ("enumType", ex.ParamName, "#A6");
 376                         }
 377
 378                         try {
 379                                 String bad = "huh?";
 380                                 Enum.GetValues (bad.GetType ());
 381                                 Assert.Fail ("#B1");
 382                         } catch (ArgumentException ex) {
 383                                 // Type provided must be an Enum
 384                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#B2");
 385                                 Assert.IsNull (ex.InnerException, "#B3");
 386                                 Assert.IsNotNull (ex.Message, "#B4");
 387                                 Assert.IsNotNull (ex.ParamName, "#B5");
 388                                 Assert.AreEqual ("enumType", ex.ParamName, "#B6");
 389                         }
 390
 391                         Enum t1 = new TestingEnum ();
 392                         Array a1 = Enum.GetValues (t1.GetType ());
 393                         for (int i = 0; i < a1.Length; i++)
 394                                 Assert.AreEqual ((TestingEnum) i, a1.GetValue (i), "#C1");
 395
 396                         Enum t2 = new TestShortEnum ();
 397                         Array a2 = Enum.GetValues (t2.GetType ());
 398                         for (short i = 0; i < a1.Length; i++)
 399                                 Assert.AreEqual ((TestShortEnum) i, a2.GetValue (i), "#C2");
 400                 }
 401
 402                 [Test]
 403                 public void TestIsDefined ()
 404                 {
 405                         try {
 406                                 Enum.IsDefined (null, 1);
 407                                 Assert.Fail ("#A1");
 408                         } catch (ArgumentNullException ex) {
 409                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#A2");
 410                                 Assert.IsNull (ex.InnerException, "#A3");
 411                                 Assert.IsNotNull (ex.Message, "#A4");
 412                                 Assert.IsNotNull (ex.ParamName, "#A5");
 413                                 Assert.AreEqual ("enumType", ex.ParamName, "#A6");
 414                         }
 415
 416                         try {
 417                                 TestingEnum x = TestingEnum.Test;
 418                                 Enum.IsDefined (x.GetType (), null);
 419                                 Assert.Fail ("#B1");
 420                         } catch (ArgumentNullException ex) {
 421                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#B2");
 422                                 Assert.IsNull (ex.InnerException, "#B3");
 423                                 Assert.IsNotNull (ex.Message, "#B4");
 424                                 Assert.IsNotNull (ex.ParamName, "#B5");
 425                                 Assert.AreEqual ("value", ex.ParamName, "#B6");
 426                         }
 427
 428                         try {
 429                                 String bad = "huh?";
 430                                 int i = 4;
 431                                 Enum.IsDefined (bad.GetType (), i);
 432                                 Assert.Fail ("#C1");
 433                         } catch (ArgumentException ex) {
 434                                 // Type provided must be an Enum
 435                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#C2");
 436                                 Assert.IsNull (ex.InnerException, "#C3");
 437                                 Assert.IsNotNull (ex.Message, "#C4");
 438                                 Assert.IsNotNull (ex.ParamName, "#C5");
 439                                 Assert.AreEqual ("enumType", ex.ParamName, "#C6");
 440                         }
 441
 442                         try {
 443                                 TestingEnum x = TestingEnum.Test;
 444                                 short i = 4;
 445                                 Enum.IsDefined (x.GetType (), i);
 446                                 Assert.Fail ("#D1");
 447                         } catch (ArgumentException ex) {
 448                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#D2");
 449                                 Assert.IsNull (ex.InnerException, "#D3");
 450                                 Assert.IsNotNull (ex.Message, "#D4");
 451                                 Assert.IsNull (ex.ParamName, "#D5");
 452                         }
 453
 454                         Enum t1 = new TestingEnum ();
 455                         int valCount = Enum.GetValues (t1.GetType ()).Length;
 456                         for (int i = 0; i < valCount; i++)
 457                                 Assert.IsTrue (Enum.IsDefined (t1.GetType (), i), "#F1:" + i);
 458                         Assert.IsFalse (Enum.IsDefined (t1.GetType (), valCount), "#F2");
 459                         Assert.IsFalse (Enum.IsDefined (typeof (TestingEnum), "huh?"), "#F3");
 460                 }
 461
 462                 [Test]
 463                 public void TestParse1 ()
 464                 {
 465                         try {
 466                                 String name = "huh?";
 467                                 Enum.Parse (null, name);
 468                                 Assert.Fail ("#A1");
 469                         } catch (ArgumentNullException ex) {
 470                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#A2");
 471                                 Assert.IsNull (ex.InnerException, "#A3");
 472                                 Assert.IsNotNull (ex.Message, "#A4");
 473                                 Assert.IsNotNull (ex.ParamName, "#A5");
 474                                 Assert.AreEqual ("enumType", ex.ParamName, "#A6");
 475                         }
 476
 477                         try {
 478                                 TestingEnum x = TestingEnum.Test;
 479                                 Enum.Parse (x.GetType (), null);
 480                                 Assert.Fail ("#B1");
 481                         } catch (ArgumentNullException ex) {
 482                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#B2");
 483                                 Assert.IsNull (ex.InnerException, "#B3");
 484                                 Assert.IsNotNull (ex.Message, "#B4");
 485                                 Assert.IsNotNull (ex.ParamName, "#B5");
 486                                 Assert.AreEqual ("value", ex.ParamName, "#B6");
 487                         }
 488
 489                         try {
 490                                 String bad = "huh?";
 491                                 Enum.Parse (bad.GetType (), bad);
 492                                 Assert.Fail ("#C1");
 493                         } catch (ArgumentException ex) {
 494                                 // Type provided must be an Enum
 495                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#C2");
 496                                 Assert.IsNull (ex.InnerException, "#C3");
 497                                 Assert.IsNotNull (ex.Message, "#C4");
 498                                 Assert.IsNotNull (ex.ParamName, "#C5");
 499                                 Assert.AreEqual ("enumType", ex.ParamName, "#C6");
 500                         }
 501
 502                         try {
 503                                 TestingEnum x = TestingEnum.Test;
 504                                 String bad = "";
 505                                 Enum.Parse (x.GetType (), bad);
 506                                 Assert.Fail ("#D1");
 507                         } catch (ArgumentException ex) {
 508                                 // Must specify valid information for parsing
 509                                 // in the string
 510                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#D2");
 511                                 Assert.IsNull (ex.InnerException, "#D3");
 512                                 Assert.IsNotNull (ex.Message, "#D4");
 513                                 Assert.IsNull (ex.ParamName, "#D5");
 514                         }
 515
 516                         try {
 517                                 TestingEnum x = TestingEnum.Test;
 518                                 String bad = " ";
 519                                 Enum.Parse (x.GetType (), bad);
 520                                 Assert.Fail ("#E1");
 521                         } catch (ArgumentException ex) {
 522                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#E2");
 523                                 Assert.IsNull (ex.InnerException, "#E3");
 524                                 Assert.IsNotNull (ex.Message, "#E4");
 525                                 Assert.IsNull (ex.ParamName, "#E5");
 526                         }
 527
 528                         try {
 529                                 String bad = "huh?";
 530                                 TestingEnum x = TestingEnum.Test;
 531                                 Enum.Parse (x.GetType (), bad);
 532                                 Assert.Fail ("#F1");
 533                         } catch (ArgumentException ex) {
 534                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#F2");
 535                                 Assert.IsNull (ex.InnerException, "#F3");
 536                                 Assert.IsNotNull (ex.Message, "#F4");
 537                                 Assert.IsNull (ex.ParamName, "#F5");
 538                         }
 539
 540                         TestingEnum t1 = new TestingEnum ();
 541                         Assert.AreEqual (TestingEnum.This, Enum.Parse (t1.GetType (), "This"), "#G1");
 542                         Assert.AreEqual (TestingEnum.Is, Enum.Parse (t1.GetType (), "Is"), "#G2");
 543                         Assert.AreEqual (TestingEnum.A, Enum.Parse (t1.GetType (), "A"), "#G3");
 544                         Assert.AreEqual (TestingEnum.Test, Enum.Parse (t1.GetType (), "Test"), "#G4");
 545                         Assert.AreEqual (TestingEnum.Test, Enum.Parse (t1.GetType (), "    \n\nTest\t"), "#G5");
 546                         Assert.AreEqual (TestingEnum.Is, Enum.Parse (t1.GetType (), "This,Is"), "#G6");
 547                         Assert.AreEqual (TestingEnum.Test, Enum.Parse (t1.GetType (), "This,Test"), "#G7");
 548                         Assert.AreEqual (TestingEnum.Test, Enum.Parse (t1.GetType (), "This,Is,A"), "#G8");
 549                         Assert.AreEqual (TestingEnum.Test, Enum.Parse (t1.GetType (), "   \n\tThis \t\n,    Is,A \n"), "#G9");
 550                 }
 551
 552                 [Test]
 553                 public void TestParse2 ()
 554                 {
 555                         try {
 556                                 String name = "huh?";
 557                                 Enum.Parse (null, name, true);
 558                                 Assert.Fail ("#A1");
 559                         } catch (ArgumentNullException ex) {
 560                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#A2");
 561                                 Assert.IsNull (ex.InnerException, "#A3");
 562                                 Assert.IsNotNull (ex.Message, "#A4");
 563                                 Assert.IsNotNull (ex.ParamName, "#A5");
 564                                 Assert.AreEqual ("enumType", ex.ParamName, "#A6");
 565                         }
 566
 567                         try {
 568                                 TestingEnum x = TestingEnum.Test;
 569                                 Enum.Parse (x.GetType (), null, true);
 570                                 Assert.Fail ("#B1");
 571                         } catch (ArgumentNullException ex) {
 572                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#B2");
 573                                 Assert.IsNull (ex.InnerException, "#B3");
 574                                 Assert.IsNotNull (ex.Message, "#B4");
 575                                 Assert.IsNotNull (ex.ParamName, "#B5");
 576                                 Assert.AreEqual ("value", ex.ParamName, "#B6");
 577                         }
 578
 579                         try {
 580                                 String bad = "huh?";
 581                                 Enum.Parse (bad.GetType (), bad, true);
 582                                 Assert.Fail ("#C1");
 583                         } catch (ArgumentException ex) {
 584                                 // Type provided must be an Enum
 585                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#D2");
 586                                 Assert.IsNull (ex.InnerException, "#D3");
 587                                 Assert.IsNotNull (ex.Message, "#D4");
 588                                 Assert.IsNotNull (ex.ParamName, "#D5");
 589                                 Assert.AreEqual ("enumType", ex.ParamName, "#D6");
 590                         }
 591
 592                         try {
 593                                 TestingEnum x = TestingEnum.Test;
 594                                 String bad = "";
 595                                 Enum.Parse (x.GetType (), bad, true);
 596                                 Assert.Fail ("#E1");
 597                         } catch (ArgumentException ex) {
 598                                 // Must specify valid information for parsing
 599                                 // in the string
 600                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#E2");
 601                                 Assert.IsNull (ex.InnerException, "#E3");
 602                                 Assert.IsNotNull (ex.Message, "#E4");
 603                                 Assert.IsNull (ex.ParamName, "#E5");
 604                         }
 605
 606                         try {
 607                                 TestingEnum x = TestingEnum.Test;
 608                                 String bad = " ";
 609                                 Enum.Parse (x.GetType (), bad, true);
 610                                 Assert.Fail ("#F1");
 611                         } catch (ArgumentException ex) {
 612                                 // Must specify valid information for parsing
 613                                 // in the string
 614                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#F2");
 615                                 Assert.IsNull (ex.InnerException, "#F3");
 616                                 Assert.IsNotNull (ex.Message, "#F4");
 617                                 Assert.IsFalse (ex.Message.IndexOf ("' '") != -1, "#F5");
 618                                 Assert.IsNull (ex.ParamName, "#F6");
 619                         }
 620
 621                         try {
 622                                 String bad = "huh?";
 623                                 TestingEnum x = TestingEnum.Test;
 624                                 Enum.Parse (x.GetType (), bad, true);
 625                                 Assert.Fail ("#G1");
 626                         } catch (ArgumentException ex) {
 627                                 // Requested value 'huh?' was not found
 628                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#G2");
 629                                 Assert.IsNull (ex.InnerException, "#G3");
 630                                 Assert.IsNotNull (ex.Message, "#G4");
 631 #if NET_2_0
 632                                 Assert.IsTrue (ex.Message.IndexOf ("'huh?'") != -1, "#G5");
 633 #else
 634                                 Assert.IsTrue (ex.Message.IndexOf ("huh?") != -1, "#G5");
 635 #endif
 636                                 Assert.IsNull (ex.ParamName, "#G6");
 637                         }
 638
 639                         try {
 640                                 String bad = "test";
 641                                 TestingEnum x = TestingEnum.Test;
 642                                 Enum.Parse (x.GetType (), bad, false);
 643                                 Assert.Fail ("#H1");
 644                         } catch (ArgumentException ex) {
 645                                 // Requested value 'test' was not found
 646                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#H2");
 647                                 Assert.IsNull (ex.InnerException, "#H3");
 648                                 Assert.IsNotNull (ex.Message, "#H4");
 649 #if NET_2_0
 650                                 Assert.IsTrue (ex.Message.IndexOf ("'test'") != -1, "#H5");
 651 #else
 652                                 Assert.IsTrue (ex.Message.IndexOf ("test") != -1, "#H5");
 653 #endif
 654                                 Assert.IsNull (ex.ParamName, "#H6");
 655                         }
 656
 657                         TestingEnum t1 = new TestingEnum ();
 658                         Assert.AreEqual (TestingEnum.This, Enum.Parse (t1.GetType (), "this", true), "#I1");
 659                         Assert.AreEqual (TestingEnum.Is, Enum.Parse (t1.GetType (), "is", true), "#I2");
 660                         Assert.AreEqual (TestingEnum.A, Enum.Parse (t1.GetType (), "a", true), "#I3");
 661                         Assert.AreEqual (TestingEnum.Test, Enum.Parse (t1.GetType (), "test", true), "#I4");
 662                         Assert.AreEqual (TestingEnum.Test, Enum.Parse (t1.GetType (), "    \n\ntest\t", true), "#I5");
 663
 664                         Assert.AreEqual (TestingEnum.Is, Enum.Parse (t1.GetType (), "This,is", true), "#J1");
 665                         Assert.AreEqual (TestingEnum.Test, Enum.Parse (t1.GetType (), "This,test", true), "#J2");
 666                         Assert.AreEqual (TestingEnum.Test, Enum.Parse (t1.GetType (), "This,is,A", true), "#J3");
 667                         Assert.AreEqual (TestingEnum.Test, Enum.Parse (t1.GetType (), "   \n\tThis \t\n,    is,a \n", true), "#J4");
 668                 }
 669
 670                 [Test]
 671                 public void ParseValue ()
 672                 {
 673                         TestingEnum3 t1 = new TestingEnum3 ();
 674                         Assert.AreEqual (TestingEnum3.Test, Enum.Parse (t1.GetType (), "18446744073709551615", false));
 675                 }
 676
 677 #if NET_4_0
 678                 [Test]
 679                 public void TryParseErrors ()
 680                 {
 681                         TestingEnum result;
 682                         bool success;
 683
 684                         success = Enum.TryParse<TestingEnum> (null, out result);
 685                         Assert.AreEqual (false, success, "#A1");
 686                         Assert.AreEqual (TestingEnum.This, result, "#A2");
 687
 688                         success = Enum.TryParse<TestingEnum> ("WrongValue", out result);
 689                         Assert.AreEqual (false, success, "#B1");
 690                         Assert.AreEqual (TestingEnum.This, result, "#B2");
 691
 692                         success = Enum.TryParse<TestingEnum> (String.Empty, out result);
 693                         Assert.AreEqual (false, success, "#C1");
 694                         Assert.AreEqual (TestingEnum.This, result, "#C2");
 695
 696                         success = Enum.TryParse<TestingEnum> (" ", out result);
 697                         Assert.AreEqual (false, success, "#D1");
 698                         Assert.AreEqual (TestingEnum.This, result, "#D2");
 699
 700                         // TryParse throws ArgumentException if TEnum is not an enumeration type
 701                         try {
 702                                 int n;
 703                                 Enum.TryParse<int> ("31416", out n);
 704                                 Assert.Fail ("#E1");
 705                         } catch (ArgumentException ex) {
 706                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#E2");
 707                                 Assert.IsNull (ex.InnerException, "#E3");
 708                                 Assert.IsNotNull (ex.Message, "#E4");
 709                                 Assert.IsNotNull (ex.ParamName, "#E5");
 710                                 Assert.AreEqual ("enumType", ex.ParamName, "#E6");
 711                         }
 712                 }
 713
 714                 [Test]
 715                 public void TryParse ()
 716                 {
 717                         TestingEnum result;
 718                         bool success;
 719
 720                         success = Enum.TryParse<TestingEnum> ("Is", out result);
 721                         Assert.AreEqual (true, success, "#A1");
 722                         Assert.AreEqual (TestingEnum.Is, result, "#A2");
 723
 724                         success = Enum.TryParse<TestingEnum> ("100", out result);
 725                         Assert.AreEqual (true, success, "#C1");
 726                         Assert.AreEqual (((TestingEnum)100), result, "#C2");
 727
 728                         success = Enum.TryParse<TestingEnum> ("is", out result);
 729                         Assert.AreEqual (false, success, "#D1");
 730                         Assert.AreEqual (TestingEnum.This, result, "#D2");
 731
 732                         success = Enum.TryParse<TestingEnum> ("is", true, out result);
 733                         Assert.AreEqual (true, success, "#D1");
 734                         Assert.AreEqual (TestingEnum.Is, result, "#D2");
 735
 736                         success = Enum.TryParse<TestingEnum> ("  Is  ", out result);
 737                         Assert.AreEqual (true, success, "#E1");
 738                         Assert.AreEqual (TestingEnum.Is, result, "#E2");
 739                 }
 740 #endif
 741
 742                 [Test]
 743                 public void ToObject_EnumType_Int32 ()
 744                 {
 745                         object value = Enum.ToObject (typeof (TestingEnum), 0);
 746                         Assert.AreEqual (TestingEnum.This, value, "#1");
 747                         value = Enum.ToObject (typeof (TestingEnum), 2);
 748                         Assert.AreEqual (TestingEnum.A, value, "#2");
 749                 }
 750
 751                 [Test]
 752 #if ONLY_1_1
 753                 [Category ("NotDotNet")]
 754 #endif
 755                 public void ToObject_EnumType_UInt64 ()
 756                 {
 757                         object value = Enum.ToObject (typeof (TestingEnum3), 0);
 758                         Assert.AreEqual (TestingEnum3.This, value, "#1");
 759                         value = Enum.ToObject (typeof (TestingEnum3), 1);
 760                         Assert.AreEqual (TestingEnum3.Is, value, "#2");
 761                         value = Enum.ToObject (typeof (TestingEnum3), ulong.MaxValue);
 762                         Assert.AreEqual (TestingEnum3.Test, value, "#3");
 763                 }
 764
 765                 [Test]
 766                 public void ToObject_EnumType_Byte ()
 767                 {
 768                         object value = Enum.ToObject (typeof (TestingEnum4), 0);
 769                         Assert.AreEqual (TestingEnum4.This, value, "#1");
 770                         value = Enum.ToObject (typeof (TestingEnum4), byte.MaxValue);
 771                         Assert.AreEqual (TestingEnum4.Test, value, "#2");
 772                 }
 773
 774                 [Test]
 775                 public void ToObject_EnumType_Int16 ()
 776                 {
 777                         object value = Enum.ToObject (typeof (TestingEnum5), 0);
 778                         Assert.AreEqual (TestingEnum5.This, value, "#1");
 779                         value = Enum.ToObject (typeof (TestingEnum5), short.MaxValue);
 780                         Assert.AreEqual (TestingEnum5.Test, value, "#2");
 781                 }
 782
 783                 [Test]
 784                 public void ToObject_EnumType_Invalid ()
 785                 {
 786                         try {
 787                                 Enum.ToObject (typeof (string), 1);
 788                                 Assert.Fail ("#1");
 789                         } catch (ArgumentException ex) {
 790                                 // Type provided must be an Enum
 791                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#2");
 792                                 Assert.IsNull (ex.InnerException, "#3");
 793                                 Assert.IsNotNull (ex.Message, "#4");
 794                                 Assert.IsNotNull (ex.ParamName, "#5");
 795                                 Assert.AreEqual ("enumType", ex.ParamName, "#6");
 796                         }
 797                 }
 798
 799                 [Test]
 800                 public void ToObject_EnumType_Null ()
 801                 {
 802                         try {
 803                                 Enum.ToObject (null, 1);
 804                                 Assert.Fail ("#1");
 805                         } catch (ArgumentNullException ex) {
 806                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#2");
 807                                 Assert.IsNull (ex.InnerException, "#3");
 808                                 Assert.IsNotNull (ex.Message, "#4");
 809                                 Assert.IsNotNull (ex.ParamName, "#5");
 810                                 Assert.AreEqual ("enumType", ex.ParamName, "#6");
 811                         }
 812                 }
 813
 814                 [Test]
 815                 public void ToObject_Value_Null ()
 816                 {
 817                         try {
 818                                 Enum.ToObject (typeof (TestingEnum), (object) null);
 819                                 Assert.Fail ("#1");
 820                         } catch (ArgumentNullException ex) {
 821                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#2");
 822                                 Assert.IsNull (ex.InnerException, "#3");
 823                                 Assert.IsNotNull (ex.Message, "#4");
 824                                 Assert.IsNotNull (ex.ParamName, "#5");
 825                                 Assert.AreEqual ("value", ex.ParamName, "#6");
 826                         }
 827                 }
 828
 829                 [Test]
 830                 public void ToObject_Value_Invalid ()
 831                 {
 832                         try {
 833                                 Enum.ToObject (typeof (TestingEnum), "This");
 834                                 Assert.Fail ("#1");
 835                         } catch (ArgumentException ex) {
 836                                 // The value passed in must be an enum base or
 837                                 // an underlying type for an enum, such as an
 838                                 // Int32
 839                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#2");
 840                                 Assert.IsNull (ex.InnerException, "#3");
 841                                 Assert.IsNotNull (ex.Message, "#4");
 842                                 Assert.IsNotNull (ex.ParamName, "#5");
 843                                 Assert.AreEqual ("value", ex.ParamName, "#6");
 844                         }
 845                 }
 846
 847                 [Test]
 848                 public void IConvertible_Valid ()
 849                 {
 850                         IConvertible ic = TestingEnum.This;
 851                         Assert.AreEqual ("This", ic.ToType (typeof (string), null), "#1");
 852                         Assert.AreEqual (TestingEnum.This, ic.ToType (typeof (TestingEnum), null), "#2");
 853                         Assert.AreEqual (TestingEnum.This, ic.ToType (typeof (Enum), null), "#3");
 854                 }
 855
 856                 [Test]
 857                 public void TestToString ()
 858                 {
 859                         Assert.AreEqual ("This", TestingEnum.This.ToString (), "#A1");
 860                         Assert.AreEqual ("Is", TestingEnum.Is.ToString (), "#A2");
 861                         Assert.AreEqual ("A", TestingEnum.A.ToString (), "#A3");
 862                         Assert.AreEqual ("Test", TestingEnum.Test.ToString (), "#A4");
 863
 864                         Enum is1 = TestingEnum.Is;
 865
 866                         Assert.AreEqual ("1", is1.ToString ("d"), "#B1");
 867                         Assert.AreEqual ("Is", is1.ToString ("g"), "#B2");
 868                         Assert.AreEqual ("00000001", is1.ToString ("x"), "#B3");
 869                         Assert.AreEqual ("Is", is1.ToString ("f"), "#B4");
 870
 871                         Assert.AreEqual ("b, c", ((SomeEnum) 3).ToString ("f"), "#C1");
 872                         Assert.AreEqual ("b, c", ((SomeByteEnum) 3).ToString ("f"), "#C2");
 873                         Assert.AreEqual ("b, c", ((SomeInt64Enum) 3).ToString ("f"), "#C3");
 874
 875                         Assert.AreEqual ("12", ((SomeEnum) 12).ToString ("f"), "#D1");
 876                         Assert.AreEqual ("12", ((SomeByteEnum) 12).ToString ("f"), "#D2");
 877                         Assert.AreEqual ("12", ((SomeInt64Enum) 12).ToString ("f"), "#D3");
 878                 }
 879
 880                 [Test]
 881                 public void FlagTest ()
 882                 {
 883                         int [] evalues = new int [4] { 0, 1, 2, 3 };
 884                         E [] e = new E [4] { E.Aa, E.Bb, E.Cc, E.Dd };
 885
 886                         for (int i = 0; i < 4; ++i)
 887                                 Assert.AreEqual (e [i].ToString (),
 888                                         Enum.Format (typeof (E), evalues [i], "f"),
 889                                         "#1" + i);
 890
 891                         int invalidValue = 1000;
 892
 893                         Assert.AreEqual (invalidValue.ToString (),
 894                                 Enum.Format (typeof (E2), invalidValue, "g"),
 895                                 "#2");
 896                 }
 897
 898                 [Test]
 899                 public void FlagTest_Negative ()
 900                 {
 901                         FlagsNegativeTestEnum t;
 902
 903                         t = FlagsNegativeTestEnum.None;
 904                         Assert.AreEqual ("None", t.ToString (), "#01");
 905                         t = FlagsNegativeTestEnum.One;
 906                         Assert.AreEqual ("One", t.ToString (), "#02");
 907                 }
 908
 909                 [Test]
 910                 public void AnotherFormatBugPinned ()
 911                 {
 912                         Assert.AreEqual ("100", Enum.Format (typeof (E3), 100, "f"));
 913                 }
 914
 915                 [Test]
 916                 public void LogicBugPinned ()
 917                 {
 918                         string format = null;
 919                         string [] names = new string [] { "A", "B", "C", "D", };
 920                         string [] fmtSpl = null;
 921                         UE ue = UE.A | UE.B | UE.C | UE.D;
 922
 923                         //all flags must be in format return
 924                         format = Enum.Format (typeof (UE), ue, "f");
 925                         fmtSpl = format.Split (',');
 926                         for (int i = 0; i < fmtSpl.Length; ++i)
 927                                 fmtSpl [i] = fmtSpl [i].Trim ();
 928
 929                         foreach (string nval in fmtSpl)
 930                                 Assert.IsTrue (Array.IndexOf (names, nval) >= 0, "#1:" + nval);
 931
 932                         foreach (string nval in names)
 933                                 Assert.IsTrue (Array.IndexOf (fmtSpl, nval) >= 0, "#2:" + nval);
 934                 }
 935                 // TODO - ToString with IFormatProviders
 936
 937                 [Test]
 938                 public void GetHashCode_ShouldBeEqualToUnderlyingType ()
 939                 {
 940                         Assert.AreEqual (EnInt8.A.GetHashCode(), SByte.MinValue, "i8#0");
 941                         Assert.AreEqual (EnInt8.B.GetHashCode(), 44, "i8#1");
 942                         Assert.AreEqual (EnInt8.C.GetHashCode(), SByte.MaxValue, "i8#2");
 943
 944                         Assert.AreEqual (EnUInt8.A.GetHashCode(), Byte.MinValue, "u8#0");
 945                         Assert.AreEqual (EnUInt8.B.GetHashCode(), 55, "u8#1");
 946                         Assert.AreEqual (EnUInt8.C.GetHashCode(), Byte.MaxValue, "u8#2");
 947
 948                         Assert.AreEqual (EnInt16.A.GetHashCode(), Int16.MinValue, "i16#0");
 949                         Assert.AreEqual (EnInt16.B.GetHashCode(), 66, "i16#1");
 950                         Assert.AreEqual (EnInt16.C.GetHashCode(), Int16.MaxValue, "i16#2");
 951
 952                         Assert.AreEqual (EnUInt16.A.GetHashCode(), UInt16.MinValue, "u16#0");
 953                         Assert.AreEqual (EnUInt16.B.GetHashCode(), 77, "u16#1");
 954                         Assert.AreEqual (EnUInt16.C.GetHashCode(), UInt16.MaxValue, "u16#2");
 955
 956                         Assert.AreEqual (EnInt32.A.GetHashCode(), Int32.MinValue, "i32#0");
 957                         Assert.AreEqual (EnInt32.B.GetHashCode(), 88, "i32#1");
 958                         Assert.AreEqual (EnInt32.C.GetHashCode(), Int32.MaxValue, "i32#2");
 959
 960                         Assert.AreEqual (EnUInt32.A.GetHashCode(), UInt32.MinValue, "u32#0");
 961                         Assert.AreEqual (EnUInt32.B.GetHashCode(), 99, "u32#1");
 962                         Assert.AreEqual (EnUInt32.C.GetHashCode(), UInt32.MaxValue.GetHashCode (), "u32#2");
 963
 964                         Assert.AreEqual (EnInt64.A.GetHashCode(), Int64.MinValue.GetHashCode (), "i64#0");
 965                         Assert.AreEqual (EnInt64.B.GetHashCode(), 3488924689489L.GetHashCode (), "i64#1");
 966                         Assert.AreEqual (EnInt64.C.GetHashCode(), Int64.MaxValue.GetHashCode (), "i64#2");
 967
 968                         Assert.AreEqual (EnUInt64.A.GetHashCode(), UInt64.MinValue.GetHashCode (), "u64#0");
 969                         Assert.AreEqual (EnUInt64.B.GetHashCode(), 3488924689489L.GetHashCode (), "u64#1");
 970                         Assert.AreEqual (EnUInt64.C.GetHashCode(), UInt64.MaxValue.GetHashCode (), "u64#2");
 971                 }
 972
 973                 [Test]
 974                 public void CompareTo_NotEqualToUnderlyingType ()
 975                 {
 976                         Assert.AreEqual (0, EnInt8.A.CompareTo (EnInt8.A), "i8#0");
 977                         Assert.AreEqual (-1, EnInt8.A.CompareTo (EnInt8.B), "i8#1");
 978                         Assert.AreEqual (1, EnInt8.B.CompareTo (EnInt8.A), "i8#2");
 979
 980                         Assert.AreEqual (0, EnUInt8.A.CompareTo (EnUInt8.A), "ui8#0");
 981                         Assert.AreEqual (-1,  EnUInt8.A.CompareTo (EnUInt8.B), "ui8#1");
 982                         Assert.AreEqual (1, EnUInt8.B.CompareTo (EnUInt8.A),"ui8#2");
 983
 984                         Assert.AreEqual (0, EnInt16.A.CompareTo (EnInt16.A), "i16#0");
 985                         Assert.AreEqual (-1, EnInt16.A.CompareTo (EnInt16.B), "i16#1");
 986                         Assert.AreEqual (1, EnInt16.B.CompareTo (EnInt16.A), "i16#2");
 987
 988                         Assert.AreEqual (0, EnUInt16.A.CompareTo (EnUInt16.A), "ui16#0");
 989                         Assert.AreEqual (-1, EnUInt16.A.CompareTo (EnUInt16.B), "ui16#1");
 990                         Assert.AreEqual (1, EnUInt16.B.CompareTo (EnUInt16.A), "ui16#2");
 991
 992                         Assert.AreEqual (int.MinValue.CompareTo (int.MinValue), EnInt32.A.CompareTo (EnInt32.A), "i32#0");
 993                         Assert.AreEqual (int.MinValue.CompareTo ((int)88), EnInt32.A.CompareTo (EnInt32.B), "i32#1");
 994                         Assert.AreEqual (((int)88).CompareTo (int.MinValue), EnInt32.B.CompareTo (EnInt32.A), "i32#2");
 995
 996                         Assert.AreEqual (uint.MinValue.CompareTo (uint.MinValue), EnUInt32.A.CompareTo (EnUInt32.A), "u32#0");
 997                         Assert.AreEqual (uint.MinValue.CompareTo ((uint)99), EnUInt32.A.CompareTo (EnUInt32.B), "u32#1");
 998                         Assert.AreEqual (((uint)99).CompareTo (uint.MinValue), EnUInt32.B.CompareTo (EnUInt32.A), "u32#2");
 999
1000                         Assert.AreEqual (long.MinValue.CompareTo (long.MinValue), EnInt64.A.CompareTo (EnInt64.A), "i64#0");
1001                         Assert.AreEqual (long.MinValue.CompareTo ((long)456), EnInt64.A.CompareTo (EnInt64.D), "i64#1");
1002                         Assert.AreEqual (((long)456).CompareTo (long.MinValue), EnInt64.D.CompareTo (EnInt64.A), "i64#2");
1003
1004                         Assert.AreEqual (ulong.MinValue.CompareTo (ulong.MinValue), EnUInt64.A.CompareTo (EnUInt64.A), "u64#0");
1005                         Assert.AreEqual (ulong.MinValue.CompareTo ((ulong)789),  EnUInt64.A.CompareTo (EnUInt64.D), "u64#1");
1006                         Assert.AreEqual (((ulong)789).CompareTo (ulong.MinValue), EnUInt64.D.CompareTo (EnUInt64.A), "u64#2");
1007                 }
1008
1009                 //
1010                 // This is used to verify that the output matches the specified behavior
1011                 // See bug #371559 for details.
1012                 //
1013                 [Test]
1014                 public void CompareOrder_FromGetNames ()
1015                 {
1016                         Array r = Enum.GetValues (typeof (EnumByte));
1017                         Assert.AreEqual (5, r.Length);
1018                         Assert.AreEqual ("byte_Cc", Enum.GetName (typeof (EnumByte), (EnumByte)(0x00)));
1019                         Assert.AreEqual ("byte_Cc", r.GetValue (0).ToString ());
1020                         Assert.AreEqual ("byte_Aa", Enum.GetName (typeof (EnumByte), (EnumByte)(0x05)));
1021                         Assert.AreEqual ("byte_Aa", r.GetValue (1).ToString ());
1022                         Assert.AreEqual ("byte_Ff", Enum.GetName (typeof (EnumByte), (EnumByte)(0x64)));
1023                         Assert.AreEqual ("byte_Ff", r.GetValue (2).ToString ());
1024                         Assert.AreEqual ("byte_Dd", Enum.GetName (typeof (EnumByte), (EnumByte)(0x7F)));
1025                         Assert.AreEqual ("byte_Dd", r.GetValue (3).ToString ());
1026                         Assert.AreEqual ("byte_Bb", Enum.GetName (typeof (EnumByte), (EnumByte)(0xFF)));
1027                         Assert.AreEqual ("byte_Bb", r.GetValue (4).ToString ());
1028
1029                         r = Enum.GetValues (typeof (EnumSByte));
1030                         Assert.AreEqual (6, r.Length);
1031                         Assert.AreEqual ("sbyte_Cc", Enum.GetName (typeof (EnumSByte), (EnumSByte)(0x00)));
1032                         Assert.AreEqual ("sbyte_Cc", r.GetValue (0).ToString ());
1033                         Assert.AreEqual ("sbyte_Aa", Enum.GetName (typeof (EnumSByte), (EnumSByte)(0x05)));
1034                         Assert.AreEqual ("sbyte_Aa", r.GetValue (1).ToString ());
1035                         Assert.AreEqual ("sbyte_Ff", Enum.GetName (typeof (EnumSByte), (EnumSByte)(0x64)));
1036                         Assert.AreEqual ("sbyte_Ff", r.GetValue (2).ToString ());
1037                         Assert.AreEqual ("sbyte_Ee", Enum.GetName (typeof (EnumSByte), (EnumSByte)(0x7F)));
1038                         Assert.AreEqual ("sbyte_Ee", r.GetValue (3).ToString ());
1039                         Assert.AreEqual ("sbyte_Bb", Enum.GetName (typeof (EnumSByte), unchecked ((EnumSByte)(0xF0))));
1040                         Assert.AreEqual ("sbyte_Bb", r.GetValue (4).ToString ());
1041                         Assert.AreEqual ("sbyte_Dd", Enum.GetName (typeof (EnumSByte), unchecked ((EnumSByte)(0xFF))));
1042                         Assert.AreEqual ("sbyte_Dd", r.GetValue (5).ToString ());
1043
1044                         r = Enum.GetValues (typeof (EnumUShort));
1045                         Assert.AreEqual (5, r.Length);
1046                         Assert.AreEqual ("ushort_Cc", Enum.GetName (typeof (EnumUShort), (EnumUShort)(0x0000)));
1047                         Assert.AreEqual ("ushort_Cc", r.GetValue (0).ToString ());
1048                         Assert.AreEqual ("ushort_Aa", Enum.GetName (typeof (EnumUShort), (EnumUShort)(0x0005)));
1049                         Assert.AreEqual ("ushort_Aa", r.GetValue (1).ToString ());
1050                         Assert.AreEqual ("ushort_Ff", Enum.GetName (typeof (EnumUShort), (EnumUShort)(0x0064)));
1051                         Assert.AreEqual ("ushort_Ff", r.GetValue (2).ToString ());
1052                         Assert.AreEqual ("ushort_Ee", Enum.GetName (typeof (EnumUShort), (EnumUShort)(0x7FFF)));
1053                         Assert.AreEqual ("ushort_Ee", r.GetValue (3).ToString ());
1054                         Assert.AreEqual ("ushort_Bb", Enum.GetName (typeof (EnumUShort), (EnumUShort)(0xFF00)));
1055                         Assert.AreEqual ("ushort_Bb", r.GetValue (4).ToString ());
1056
1057                         r = Enum.GetValues (typeof (EnumShort));
1058                         Assert.AreEqual (6, r.Length);
1059                         Assert.AreEqual ("short_Cc", Enum.GetName (typeof (EnumShort), (EnumShort)(0x0000)));
1060                         Assert.AreEqual ("short_Cc", r.GetValue (0).ToString ());
1061                         Assert.AreEqual ("short_Aa", Enum.GetName (typeof (EnumShort), (EnumShort)(0x0005)));
1062                         Assert.AreEqual ("short_Aa", r.GetValue (1).ToString ());
1063                         Assert.AreEqual ("short_Ff", Enum.GetName (typeof (EnumShort), (EnumShort)(0x0064)));
1064                         Assert.AreEqual ("short_Ff", r.GetValue (2).ToString ());
1065                         Assert.AreEqual ("short_Ee", Enum.GetName (typeof (EnumShort), (EnumShort)(0x7FFF)));
1066                         Assert.AreEqual ("short_Ee", r.GetValue (3).ToString ());
1067                         Assert.AreEqual ("short_Bb", Enum.GetName (typeof (EnumShort), unchecked ((EnumShort)(0xFF00))));
1068                         Assert.AreEqual ("short_Bb", r.GetValue (4).ToString ());
1069                         Assert.AreEqual ("short_Dd", Enum.GetName (typeof (EnumShort), unchecked ((EnumShort)(0xFFFF))));
1070                         Assert.AreEqual ("short_Dd", r.GetValue (5).ToString ());
1071
1072                         r = Enum.GetValues (typeof (EnumUInt));
1073                         Assert.AreEqual (4, r.Length);
1074                         Assert.AreEqual ("uint_Cc", Enum.GetName (typeof (EnumUInt), (EnumUInt)(0x00000000)));
1075                         Assert.AreEqual ("uint_Cc", r.GetValue (0).ToString ());
1076                         Assert.AreEqual ("uint_Aa", Enum.GetName (typeof (EnumUInt), (EnumUInt)(0x00000005)));
1077                         Assert.AreEqual ("uint_Aa", r.GetValue (1).ToString ());
1078                         Assert.AreEqual ("uint_Ff", Enum.GetName (typeof (EnumUInt), (EnumUInt)(0x00000064)));
1079                         Assert.AreEqual ("uint_Ff", r.GetValue (2).ToString ());
1080                         Assert.AreEqual ("uint_Ee", Enum.GetName (typeof (EnumUInt), (EnumUInt)(0x7FFFFFFF)));
1081                         Assert.AreEqual ("uint_Ee", r.GetValue (3).ToString ());
1082
1083                         r = Enum.GetValues (typeof (EnumInt));
1084                         Assert.AreEqual (6, r.Length);
1085                         Assert.AreEqual ("int_Cc", Enum.GetName (typeof (EnumInt), (EnumInt)(0x00000000)));
1086                         Assert.AreEqual ("int_Cc", r.GetValue (0).ToString ());
1087                         Assert.AreEqual ("int_Aa", Enum.GetName (typeof (EnumInt), (EnumInt)(0x00000005)));
1088                         Assert.AreEqual ("int_Aa", r.GetValue (1).ToString ());
1089                         Assert.AreEqual ("int_Ff", Enum.GetName (typeof (EnumInt), (EnumInt)(0x00000064)));
1090                         Assert.AreEqual ("int_Ff", r.GetValue (2).ToString ());
1091                         Assert.AreEqual ("int_Ee", Enum.GetName (typeof (EnumInt), (EnumInt)(0x7FFFFFFF)));
1092                         Assert.AreEqual ("int_Ee", r.GetValue (3).ToString ());
1093                         Assert.AreEqual ("int_Bb", Enum.GetName (typeof (EnumInt), unchecked ((EnumInt)(0xFFFF0000))));
1094                         Assert.AreEqual ("int_Bb", r.GetValue (4).ToString ());
1095                         Assert.AreEqual ("int_Dd", Enum.GetName (typeof (EnumInt), unchecked ((EnumInt)(0xFFFFFFFF))));
1096                         Assert.AreEqual ("int_Dd", r.GetValue (5).ToString ());
1097
1098                         r = Enum.GetValues (typeof (EnumULong));
1099                         Assert.AreEqual (5, r.Length);
1100                         Assert.AreEqual ("ulong_Cc", Enum.GetName (typeof (EnumULong), (EnumULong)(0x0000000000000000)));
1101                         Assert.AreEqual ("ulong_Cc", r.GetValue (0).ToString ());
1102                         Assert.AreEqual ("ulong_Cc", Enum.GetName (typeof (EnumULong), (EnumULong)(0x0000000000000000)));
1103                         Assert.AreEqual ("ulong_Aa", r.GetValue (1).ToString ());
1104                         Assert.AreEqual ("ulong_Aa", Enum.GetName (typeof (EnumULong), (EnumULong)(0x0000000000000005)));
1105                         Assert.AreEqual ("ulong_Ff", r.GetValue (2).ToString ());
1106                         Assert.AreEqual ("ulong_Ff", Enum.GetName (typeof (EnumULong), (EnumULong)(0x0000000000000064)));
1107                         Assert.AreEqual ("ulong_Ee", r.GetValue (3).ToString ());
1108                         Assert.AreEqual ("ulong_Ee", Enum.GetName (typeof (EnumULong), (EnumULong)(0x7FFFFFFFFFFFFFFF)));
1109                         Assert.AreEqual ("ulong_Bb", r.GetValue (4).ToString ());
1110
1111                         r = Enum.GetValues (typeof (EnumLong));
1112                         Assert.AreEqual (6, r.Length);
1113                         Assert.AreEqual ("long_Cc", Enum.GetName (typeof (EnumLong), (EnumLong)(0x0000000000000000)));
1114                         Assert.AreEqual ("long_Cc", r.GetValue (0).ToString ());
1115                         Assert.AreEqual ("long_Aa", Enum.GetName (typeof (EnumLong), (EnumLong)(0x0000000000000005)));
1116                         Assert.AreEqual ("long_Aa", r.GetValue (1).ToString ());
1117                         Assert.AreEqual ("long_Ff", Enum.GetName (typeof (EnumLong), (EnumLong)(0x0000000000000064)));
1118                         Assert.AreEqual ("long_Ff", r.GetValue (2).ToString ());
1119                         Assert.AreEqual ("long_Ee", Enum.GetName (typeof (EnumLong), (EnumLong)(0x7FFFFFFFFFFFFFFF)));
1120                         Assert.AreEqual ("long_Ee", r.GetValue (3).ToString ());
1121                         Assert.AreEqual ("long_Bb", Enum.GetName (typeof (EnumLong), unchecked ((EnumLong)(0xFFFFFFFF00000000))));
1122                         Assert.AreEqual ("long_Bb", r.GetValue (4).ToString ());
1123                         Assert.AreEqual ("long_Dd", Enum.GetName (typeof (EnumLong), unchecked ((EnumLong)(0xFFFFFFFFFFFFFFFF))));
1124                         Assert.AreEqual ("long_Dd", r.GetValue (5).ToString ());
1125                 }
1126
1127                 [Flags]
1128                 enum Foo {
1129                         negative = -1
1130                 }
1131
1132 #if NET_4_0
1133                 // Our first implementation used to crash
1134                 [Test]
1135                 public void HasFlagTest ()
1136                 {
1137                         Foo f = Foo.negative;
1138                         bool has = f.HasFlag (Foo.negative);
1139                 }
1140 #endif
1141
1142                 [Flags]
1143                 enum SomeEnum
1144                 {
1145                         a,
1146                         b,
1147                         c
1148                 }
1149
1150                 [Flags]
1151                 enum SomeByteEnum : byte
1152                 {
1153                         a,
1154                         b,
1155                         c
1156                 }
1157
1158                 [Flags]
1159                 enum SomeInt64Enum : long
1160                 {
1161                         a,
1162                         b,
1163                         c
1164                 }
1165
1166                 enum TestShortEnum : short
1167                 {
1168                         zero,
1169                         one,
1170                         two,
1171                         three,
1172                         four,
1173                         five,
1174                         six
1175                 }
1176
1177                 enum E
1178                 {
1179                         Aa = 0,
1180                         Bb = 1,
1181                         Cc = 2,
1182                         Dd = 3,
1183                 }
1184
1185                 [Flags]
1186                 enum E2
1187                 {
1188                         Aa,
1189                         Bb,
1190                         Cc,
1191                         Dd,
1192                 }
1193
1194                 [Flags]
1195                 enum FlagsNegativeTestEnum
1196                 {
1197                         None = 0,
1198                         One = 1,
1199                         Two = 2,
1200                         Negative = unchecked ((int) 0xFFFF0000)
1201                 }
1202
1203                 enum TestingEnum
1204                 {
1205                         This,
1206                         Is,
1207                         A,
1208                         Test
1209                 }
1210
1211                 enum TestingEnum2
1212                 {
1213                         This,
1214                         Is,
1215                         A,
1216                         Test
1217                 }
1218
1219                 enum TestingEnum3 : ulong
1220                 {
1221                         This,
1222                         Is,
1223                         A,
1224                         Test = ulong.MaxValue
1225                 }
1226
1227                 enum TestingEnum4 : byte
1228                 {
1229                         This,
1230                         Is,
1231                         A,
1232                         Test = byte.MaxValue
1233                 }
1234
1235                 enum TestingEnum5 : short
1236                 {
1237                         This,
1238                         Is,
1239                         A,
1240                         Test = short.MaxValue
1241                 }
1242
1243                 enum TestingEnum6
1244                 {
1245                         This,
1246                         Is,
1247                         A,
1248                         Test = int.MaxValue
1249                 }
1250
1251                 enum E3
1252                 {
1253                         A = 0,
1254                         B = 1,
1255                         C = 2,
1256                         D = 3
1257                 }
1258
1259                 enum UE : ulong
1260                 {
1261                         A = 1,
1262                         B = 2,
1263                         C = 4,
1264                         D = 8
1265                 }
1266
1267                 enum EA
1268                 {
1269                         A = 0,
1270                         B = 2,
1271                         C = 3,
1272                         D = 4
1273                 }
1274
1275                 enum EnInt8 : sbyte{
1276                         A = SByte.MinValue,
1277                         B = 44,
1278                         C = SByte.MaxValue,
1279                 }
1280
1281                 enum EnUInt8 : byte {
1282                         A = Byte.MinValue,
1283                         B = 55,
1284                         C = Byte.MaxValue,
1285                 }
1286
1287                 enum EnInt16 : short{
1288                         A = Int16.MinValue,
1289                         B = 66,
1290                         C = Int16.MaxValue,
1291                 }
1292
1293                 enum EnUInt16 : ushort {
1294                         A = UInt16.MinValue,
1295                         B = 77,
1296                         C = UInt16.MaxValue,
1297                 }
1298
1299                 enum EnInt32 : int{
1300                         A = Int32.MinValue,
1301                         B = 88,
1302                         C = Int32.MaxValue,
1303                 }
1304
1305                 enum EnUInt32 : uint {
1306                         A = UInt32.MinValue,
1307                         B = 99,
1308                         C = UInt32.MaxValue,
1309                 }
1310
1311                 enum EnInt64 : long{
1312                         A = Int64.MinValue,
1313                         B = 3488924689489L,
1314                         C = Int64.MaxValue,
1315                         D = 456L
1316                 }
1317
1318                 enum EnUInt64 : ulong {
1319                         A = UInt64.MinValue,
1320                         B = 3488924689489L,
1321                         C = UInt64.MaxValue,
1322                         D = 789L
1323                 }
1324
1325                 enum EnumByte : byte {
1326                   byte_Aa = 5,
1327                   byte_Bb = 0xff,
1328                   byte_Cc = 0,
1329                   byte_Dd = 0x7f,
1330                   byte_Ff = 100
1331                 }
1332
1333                 enum EnumSByte : sbyte {
1334                   sbyte_Aa = 5,
1335                   sbyte_Bb = unchecked ((sbyte) 0xf0),
1336                   sbyte_Cc = 0,
1337                   sbyte_Dd = -1,
1338                   sbyte_Ee = 0x7F,
1339                   sbyte_Ff = 100
1340                 }
1341
1342                 enum EnumShort : short
1343                 {
1344                   short_Aa = 5,
1345                   short_Bb = unchecked((short)0xFF00),
1346                   short_Cc = 0,
1347                   short_Dd = -1,
1348                   short_Ee = 0x7FFF,
1349                   short_Ff = 100
1350                 }
1351
1352                 enum EnumUShort : ushort
1353                 {
1354                   ushort_Aa = 5,
1355                   ushort_Bb = unchecked((int)0xFF00),
1356                   ushort_Cc = 0,
1357                   ushort_Ee = 0x7FFF,
1358                   ushort_Ff = 100
1359                 }
1360
1361                 enum EnumInt
1362                 {
1363                   int_Aa = 5,
1364                   int_Bb = unchecked((int)0xFFFF0000),
1365                   int_Cc = 0,
1366                   int_Dd = -1,
1367                   int_Ee = 0x7FFFFFFF,
1368                   int_Ff = 100
1369                 }
1370
1371                 enum EnumUInt : uint
1372                 {
1373                   uint_Aa = 5,
1374                   uint_Cc = 0,
1375                   uint_Ee = 0x7FFFFFFF,
1376                   uint_Ff = 100
1377                 }
1378
1379                 enum EnumLong : long
1380                 {
1381                   long_Aa = 5,
1382                   long_Bb = unchecked((long)0xffffFFFF00000000),
1383                   long_Cc = 0,
1384                   long_Dd = -1,
1385                   long_Ee = 0x7FFFFFFFffffffff,
1386                   long_Ff = 100
1387                 }
1388
1389                 enum EnumULong : ulong
1390                 {
1391                   ulong_Aa = 5,
1392                   ulong_Bb = unchecked((ulong)0xffffFFFF00000000),
1393                   ulong_Cc = 0,
1394                   ulong_Ee = 0x7FFFFFFFffffffff,
1395                   ulong_Ff = 100
1396                 }
1397
1398         }
1399 }